Screen burn-in
Disfigurement of an electronic display
Screen burn-in
Screen burn-in, image burn-in, ghost image, or shadow image, is a permanent discoloration of areas on an electronic visual display such as a cathode-ray tube (CRT) or organic light-emitting diode (OLED) in a computer monitor or television set. It is caused by cumulative non-uniform use of the screen. Although not immune to permanent burn-in, liquid-crystal displays (LCDs) may instead suffer from a phenomenon called image persistence, which is not permanent. One way to combat screen burn-in was the use of screensavers, which would move an image around to ensure that no one area of the screen remained illuminated for too long.
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